Data Structures Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Data Structures Interview Questions

Questions Answers Views Company eMail

Why hashtable is faster than arraylist?

897

What is difference between capacity and size of arraylist?

1016

What are the advantage of linked list over array?

802

What are linked lists good for?

798

Does hashset allow duplicates?

1016

Is hashmap part of collection?

891

Is array size dynamic or fixed?

904

What does arrays tostring do?

811

Is treeset synchronized?

789

How many types of linked list are there?

796

Is arraylist a collection?

915

What does arraylist remove return?

845

Are duplicates allowed in list?

875

What are the advantages of linked list?

760

How do you replace an element in an arraylist?

949

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Un-Answered Questions { Data Structures }

Differentiate linear from a nonlinear data structure?

996

How do you make a bubble chart with 3 variables?

848

What are the different data structures?

866

Why is tuple immutable?

773

What is the procedure to insert into a sorted array?

934

Why do we use collections?

839

Why heap sort is not used?

825

Why is hashmap faster?

872

Define in brief an array. What are the types of array operations?

1109

Define non-terminal nodes in a tree?

1094

What is definition list?

885

State the difference between stacks and linked lists?

923

List the applications of stacks?

1025

Which is the parent class of abstractqueue class?

867

Describe the complexity of Binary search

859

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